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(parent: 0c0d61c) | patch
Prevent IDE boot ops on NUMA system
authorAndi Kleen <andi@firstfloor.org>
Mon, 11 Feb 2008 00:35:20 +0000 (01:35 +0100)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Mon, 11 Feb 2008 17:20:50 +0000 (09:20 -0800)
commit1f07e988290fc45932f5028c9e2a862c37a57336
treedb0a20e2ead6a865af786e09e90ce1159a277c9etree | snapshot
parent0c0d61ca93d111c521182c0909e478fa709e05c6commit | diff
Prevent IDE boot ops on NUMA system

Without this patch a Opteron test system here oopses at boot with
current git.

Calling to_pci_dev() on a NULL pointer gives a negative value so the
following NULL pointer check never triggers and then an illegal address
is referenced.  Check the unadjusted original device pointer for NULL
instead.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/ide.h diff | blob | history
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